I've been running R-Linux, on Vista, against a 2TB disk and after 5 days 8 hours it has still only reached 86%.
Is this to be expected?
If it finds a bad/unreadable block doesn't it just skip to the next one?
Any help or guidance would be appreciated.

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Well, Many scannings for the quick'n dirty jobs for private purpose clients are done direct on the client disk

On the wishlist for a future version we could put jump-scans like imagers in PC-3000, Deepspar and alike - Sure heads may hit a glitch several times and kill the heads - then OK it's on to clean-room.

BTW I realized that cleaning the contact spots om many WD disks with many CRCerrs may give better results. Its like their foam insulation holds an agent that makes the contact spots nasty.

IBM/Hitachi tin-contact spots at times works as cold soldering (after a lot of hot cold hot cold a.s.o, the single hole does not have the same full contact) - rubbing the spots locks the holes and the contact to the heas is much better afterwards.